Airofog Pro 1/2 Gallon Stainless Steel Sprayer 18 in. Wand and 4 - Way Tip (501-502-181) is a small tank made from corrosion-resistant stainless steel that is ideal for applying insecticides, fungicides, acids, oxidizers, and hydrogen peroxide. Made with high-grade materials to make sure it is long-lasting and durable, plus it promotes easy applications in barns, hospitals, cruise ships, kennels, and other locations. It is professionally designed with a maximum working pressure of 60 PSI and it is built with lesser parts for less repair. The Airofog Pro 1/2 Gallon Stainless Steel Sprayer 18 in. Wand and 4 - Way Tip (501-502-181) comes with a pressure gauge that features a scratch-proof glass dial which lets you control and monitor the operation of the spray precisely. Its pressure release valve ensures safety, plus it provides comfort for long period of use with its ergonomic design. Allows you to reach every corner with its 18-inch wand and helps in saving water with its drip-free trigger valve. Easy and convenient to use with its 4-way multi-nozzle. This sprayer comes with pump service and nozzle service kits, pump cylinder, and SS wand that will not crack when frozen to -20 degrees.